EP1700803A1 - Dispositif pour ouvrir et déposer une feuille pliée - Google Patents

Dispositif pour ouvrir et déposer une feuille pliée Download PDF

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Publication number
EP1700803A1
EP1700803A1 EP05405234A EP05405234A EP1700803A1 EP 1700803 A1 EP1700803 A1 EP 1700803A1 EP 05405234 A EP05405234 A EP 05405234A EP 05405234 A EP05405234 A EP 05405234A EP 1700803 A1 EP1700803 A1 EP 1700803A1
Authority
EP
European Patent Office
Prior art keywords
drum
opening
sheet
gripper
guide element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05405234A
Other languages
German (de)
English (en)
Other versions
EP1700803B1 (fr
Inventor
Peter Wagner
Christoph Sägesser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mueller Martini Holding AG
Original Assignee
Mueller Martini Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mueller Martini Holding AG filed Critical Mueller Martini Holding AG
Priority to DE502005004264T priority Critical patent/DE502005004264D1/de
Priority to EP05405234A priority patent/EP1700803B1/fr
Priority to JP2006059166A priority patent/JP5005932B2/ja
Priority to CN2006100595309A priority patent/CN1830740B/zh
Priority to US11/372,046 priority patent/US7753372B2/en
Publication of EP1700803A1 publication Critical patent/EP1700803A1/fr
Application granted granted Critical
Publication of EP1700803B1 publication Critical patent/EP1700803B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30—Opening devices for folded sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/45—Folding, unfolding
    • B65H2301/453—Folding, unfolding opening folded material
    • B65H2301/4531—Folding, unfolding opening folded material by opposite opening drums

Definitions

  • the invention relates to a device for opening and depositing a folded sheet on a transport device, comprising a continuously rotating gripper drum and a first and a second arranged below the gripper drum opening drum whose waves are substantially parallel to a shaft of the gripper drum and each having a bow open and store it down with the open side down on the transport device, wherein the first opening drum engages with a part of its circumference in the rotational range of the gripper drum to releasably grasp a sheet on the openable side.
  • a device of this kind is inter alia by the CH 408 065 known.
  • depositing machine folded paper sheets are taken from a stack and transferred from the continuously rotating gripper drum opening drums. These open the bow and throw it on a revolving transport device.
  • This transport device is, for example, a known gathering chain.
  • the invention has for its object to provide a device of the type mentioned, which avoids the disadvantages mentioned.
  • the engaging in the rotational range of the gripper drum peripheral portion of the first opening drum has a with a peripheral portion of the second opening drum on an intermediate arc promoting acting guide element. It is thus provided a movable guide element, in the circumferential direction of the first opening drum is driven to transport the bow in cooperation with the second opening drum.
  • the guide element forms during transport of a sheet between the two opening drums quasi an extension of the peripheral part. This makes it possible to lead even large-sized sheet between the opening drums substantially to the fold.
  • the guide member since the guide member is movable, it can be transferred to the peripheral part of the first opening drum upon grasping another sheet.
  • the uniform drive also favors the takeover of the gripper drum and the depositing of the sheet on the transport device, such as a gathering chain.
  • the maximum transport distance can be extended thereby. Since the takeover of the bow on the shafts B and C takes place at a uniform speed, the operation of the gripper and the suction openings is ensured even at high speeds. It is also advantageous that the gripper drum can be formed even with a relatively small diameter, if it is equipped with two diametrically opposed grippers.
  • the guide element has at least one roller, which can be applied for the transport of the sheet to the second opening drum.
  • two such rollers are provided, which are arranged at a lateral distance from each other. This can be achieved with relatively simple means a secure guidance of the sheet during transport.
  • the movement of the guide element takes place with a mechanical drive.
  • a mechanical drive is comparatively from a few and robust parts feasible and results in safe operation.
  • the movement of the roller is controlled by a cam of a control device.
  • a control device Such a control can be realized inexpensively and is functionally reliable.
  • the device has a gripper drum 3 with which sheets 23 and 23 'are withdrawn from a sheet stack, not shown here, in a manner known per se and opening drums 1 and 2 are transferred.
  • the gripper drum 3 has a shaft A, which is driven according to the arrow 29 in the counterclockwise direction.
  • the sheets 23 and 23 'are each held at a fold 23a and 23a' with a gripper 28.
  • the grippers 28 are arranged diametrically opposite to the gripper drum 3, so that with this two sheets 23 and 23 'can be transported.
  • One of the two located on the gripper drum 3 sheet 23, 23 ' is taken from the first opening drum 1 with grippers 32 and pulled away from the gripper drum 3.
  • the first opening drum 1 is shown in particular in FIGS. 1 to 3. It is mounted at one end in a plate 4, which is connected with indicated fastening parts 5 fixed to a machine frame, not shown.
  • the other end of the shaft B is mounted on the machine frame in a similar manner.
  • the drive of the shaft B and the waves A and C takes place in a conventional manner, for example by means of a drive chain, not shown here.
  • the first opening drum 1 At a distance from the plate 4, the first opening drum 1, a first segment 20 and a second segment 21, which are arranged at a distance from each other and fixedly connected to the shaft B. Both segments 20 and 21 have a clamping part 22, which is for example a plastic part and which cooperates with a gripper 32 for grasping a sheet 23 or 23 '. An ab istder sheet 23 or 23 'is thus taken at two spaced apart locations between each a clamping member 22 and a gripper 32.
  • the control of the gripper 32 is known per se to those skilled in the art and will therefore not be explained in detail here.
  • Each of the two segments 20 and 21 has a part 34 which extends substantially from the clamping part 22 to a recess 13.
  • the angle between the clamping part 22 and the end of the recess 13 is about 120 °.
  • the segments 20 and 21 each have a peripheral surface 33, which forms according to Figure 5 a circular arc with the center on the longitudinal axis of the shaft B.
  • the direction of rotation of the shaft B is indicated in the figure 1 with an arrow 35.
  • the two clamping parts 22 thus run ahead and the recesses 13 behind.
  • the Peripheral surface 33 extends over an angle which is substantially smaller than 180 ° and preferably in the range of 90 ° to 130 °.
  • the two recesses 13 each have a roller which forms a guide element 12. Both guide elements 12 are pivotable in the rotational and opposite directions relative to the segment 20, 21, wherein the radial distance to the longitudinal axis of the shaft B remains constant.
  • a roller of the guide element 12 which is furthest from the axis of rotation of the first opening drum 1 runs almost exactly on the orbit of the first opening drum 1.
  • the pivoting of the guide elements 12, respectively. the rollers take place with a drive 8, which is preferably a mechanical drive.
  • this drive 8 can also be replaced by another drive.
  • the transport rollers 12 could be pivoted controlled by a suitable motor.
  • the drive 8 has a rod 15 which, according to FIG. 1, extends parallel and at a distance from the shaft B. At one end, a roller 14 is arranged on the rod 15, with which the rod 15 is rotatably mounted in a bearing part 36.
  • a lever 19 is clamped against rotation on the rod 15, to which a cam roller 18 is attached.
  • This cam roller 18 runs on a cam 6, which is firmly connected to the plate 4 and thus to the machine frame.
  • the cam roller 18 is pressed with a coil spring 17 to a running surface 7 of the cam 6.
  • the coil spring 17 is seated as shown on the rod 15 and is fixedly connected at one end with a clamping member 37.
  • the clamping member 9 is fixedly connected to the shaft B and forms a further bearing for the rod 15.
  • the clamping member 37 is fixedly connected to the rod 15. Das Klemmteil 37 ist mit dem Stange 15 butter. To adjust the tension of the spring 17, the clamping member 37 can be released and rotated.
  • the clamping member 37 transmits the tension of the spring 17 on the rod 15 and this on the one-armed lever 19 on the roller 18 which is pressed as mentioned on the surface 7 and on the cam 6.
  • the cam 6 is out of round according to Figure 5, so that upon rotation of the shaft B, the distance of the cam roller 18 to the longitudinal axis of the shaft B changes accordingly and the rod 15 is rotated about the lever 19 about its longitudinal axis.
  • a hook-shaped carrier 16 is rotationally fixed and fixed at a distance from the bearing roller 14.
  • the driver 16 is pivoted about the longitudinal axis of the rod 15.
  • the driver 16 engages according to Figure 4 between two spaced-apart pivot bearing 24 of a roller holder 10 with which it is rotatably mounted on the shaft 5.
  • the roller holder 10 has a bracket 11, on which the two rollers of the guide elements 12 are mounted according to Figure 4 in the lateral distance from each other.
  • a roller 25 is disposed between the two pivot bearings 24 on the holder 10, which is arranged at a distance from the longitudinal axis of the shaft B and mounted on the holder 10.
  • the driver 16 engages with a hook-shaped end 26 of this roller 25, which lies according to Figure 4 in a recess 27. If the driver 16 is pivoted, the roller holder 10 is pivoted in one or the other direction of rotation about the longitudinal axis of the shaft B. The hook-shaped end 26 holds in this case, the roller 25 which is connected to the holder 10. As already mentioned, in this case the radial distance of the two transport rollers 12 to the shaft B does not change. The rollers of the guide elements 12 are thus moved on a circle whose center lies on the longitudinal axis of the shaft B.
  • FIG. 5 shows, the first opening drum 1 and the second opening drum 2 are arranged below the gripper drum 3.
  • the first opening drum 1 is formed and arranged so that it engages when rotating each with the part 34 as shown in a gap between the sheets 23 and 23 'in the region of the gripper drum 3 to the sheet 23 in a conventional manner with the Grippers 32 to grasp.
  • FIG. 5 shows the first opening drum 1 immediately after grasping the sheet 23 at the open end.
  • the two rollers of the guide element 12 are simultaneously pivoted clockwise so that they are finally in the recesses 13 according to FIG.
  • the rollers 12 also pass through the area of the gripper drum 3.
  • the grippers 32 are in this case approximately at three o'clock position, as shown in FIG.
  • the second opening drum 2 With the first opening drum 1, the second opening drum 2 is driven simultaneously and this moves according to arrow 31 in the counterclockwise direction.
  • the second opening drum 2 has an outer arcuate surface 39, which forms approximately a semicircle.
  • the two surfaces 34 and 39 so that now the lower end of the sheet 23 between these two surfaces 34 and 39 by grippers meet 32 on a protruding edge of a facing leg of a sheet 23, 23 'taken and transported down.
  • the leading side 23b of the sheet 23 is in this case opened in a known manner, for example with suckers not shown here.
  • the sheet 23 is now transported by the two rollers and adjacent peripheral portions 39 of the second opening drum 2.
  • the rollers 12 can in this case rest under tension on the peripheral portions 39 and roll on this. Now, if the sheet 23 transported so far down that substantially the fold 23a of the sheet 23 has reached the guide elements 12, the now open sheet 23 is placed down on the transport device not shown here.
  • the two rollers 12 are now moved accelerated in a clockwise direction and finally reach the recesses 13 at the rear end of the segments 20, 21, as shown in Figure 6 held.
  • the first opening drum 1 is continuously driven in the direction of the arrow 30 during the entire cycle.
  • the gripper drum 3 and the two opening drums 1 and 2 are uniform and driven with a correspondingly high smoothness. Due to the rollers of the guide elements 12, a sheet 23 or 23 'along the peripheral portions 39 of the second opening drum 2 can be transported to their ends even at relatively short peripheral portions 33 and resp. be guided. This makes it possible to transport even large format sheet 23 over the entire length, for example over a length of 310 mm.
  • the speed of the first opening drum 1 when gripping a sheet 23 according to Figure 5 is smaller than in a known device with a limp-home drive and it can be easier and safer the sheets 23 are taken.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Discharge By Other Means (AREA)
EP05405234A 2005-03-10 2005-03-10 Dispositif pour ouvrir et déposer une feuille pliée Active EP1700803B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE502005004264T DE502005004264D1 (de) 2005-03-10 2005-03-10 Vorrichtung zum Oeffnen und Ablegen eines gefalzten Bogens
EP05405234A EP1700803B1 (fr) 2005-03-10 2005-03-10 Dispositif pour ouvrir et déposer une feuille pliée
JP2006059166A JP5005932B2 (ja) 2005-03-10 2006-03-06 折り畳まれた紙葉を開放、および載置するための装置
CN2006100595309A CN1830740B (zh) 2005-03-10 2006-03-10 用于张开和放下折叠纸张的装置
US11/372,046 US7753372B2 (en) 2005-03-10 2006-03-10 Apparatus for opening and depositing a signature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05405234A EP1700803B1 (fr) 2005-03-10 2005-03-10 Dispositif pour ouvrir et déposer une feuille pliée

Publications (2)

Publication Number Publication Date
EP1700803A1 true EP1700803A1 (fr) 2006-09-13
EP1700803B1 EP1700803B1 (fr) 2008-05-28

Family

ID=35432567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05405234A Active EP1700803B1 (fr) 2005-03-10 2005-03-10 Dispositif pour ouvrir et déposer une feuille pliée

Country Status (5)

Country Link
US (1) US7753372B2 (fr)
EP (1) EP1700803B1 (fr)
JP (1) JP5005932B2 (fr)
CN (1) CN1830740B (fr)
DE (1) DE502005004264D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1988040B1 (fr) * 2007-05-01 2010-07-14 Müller Martini Holding AG Alimenteur de feuilles destiné à l'alimentation d'un dispositif de transport de feuilles d'impression pliées
EP2100837B1 (fr) * 2008-03-13 2013-09-04 Müller Martini Holding AG Alimenteur de feuilles destiné à l'alimentation d'un dispositif de transport doté de feuilles d'impression
CN103738750B (zh) * 2013-12-17 2016-04-20 安徽华印机电股份有限公司 搭页机用分帖装置
US20210122532A1 (en) * 2018-04-26 2021-04-29 Obrist Closures Switzerland Gmbh Closure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH408065A (de) 1961-10-03 1966-02-28 Mueller Hans Ablegemaschine zum Ablegen von Papierbogen auf eine Transportvorrichtung
CH652103A5 (de) 1981-09-22 1985-10-31 Grapha Holding Ag Anleger fuer falzbogen.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH527754A (de) * 1971-07-29 1972-09-15 Mueller Hans Grapha Masch Ablegmaschine zum Ablegen von Papierbogen auf eine Transportvorrichtung
CH617905A5 (fr) * 1977-05-30 1980-06-30 Grapha Holding Ag
CH665411A5 (de) * 1985-02-07 1988-05-13 Grapha Holding Ag Zusammentragmaschine.
US4706950A (en) * 1986-01-06 1987-11-17 K. S. Macey Machine Company, Inc. Sheet gathering apparatus
JP2925345B2 (ja) * 1991-02-23 1999-07-28 大日本印刷株式会社 給紙装置及び丁合装置
JP3381102B2 (ja) * 1994-07-22 2003-02-24 株式会社尾▲さこ▼製作所 入紙掛機における折丁ストッパー装置
EP0990610B1 (fr) * 1998-09-28 2002-12-04 Grapha-Holding Ag Dispositif pour déposer des feuilles pliées sur un transporteur
DE59901612D1 (de) * 1999-01-26 2002-07-11 Grapha Holding Ag Vorrichtung zum Oeffnen und Ablegen eines gefalzten Bogens auf eine laufende Transportvorrichtung
EP1148008B1 (fr) * 2000-04-20 2003-07-30 Grapha-Holding AG Arbre portant des griffes pour la saisie de produits imprimés

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH408065A (de) 1961-10-03 1966-02-28 Mueller Hans Ablegemaschine zum Ablegen von Papierbogen auf eine Transportvorrichtung
CH652103A5 (de) 1981-09-22 1985-10-31 Grapha Holding Ag Anleger fuer falzbogen.

Also Published As

Publication number Publication date
US7753372B2 (en) 2010-07-13
CN1830740B (zh) 2010-09-29
US20060214367A1 (en) 2006-09-28
JP2006248785A (ja) 2006-09-21
CN1830740A (zh) 2006-09-13
JP5005932B2 (ja) 2012-08-22
EP1700803B1 (fr) 2008-05-28
DE502005004264D1 (de) 2008-07-10

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